Hot air brush



FIG. 1 is a front elevational view of a hot air brush showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof.

FIG. 8 is an enlarged detail view taken from FIG. 1, for clarity of illustration;

FIG. 9 is a second detail view taken from FIG. 1 thereof; and,

FIG. 10 is an enlarged detail view taken from FIG. 4.

The broken lines shown in FIGS. 8-10 illustrate the bounds of the enlarged detail views, and form no part of the claimed design. 

CLAIM The ornamental design for a hot air brush, as shown and described. 